Cold Hands and Feet a Possible Remedy – Polyphenol Oligonol a pilot study
* Effect of Lychee Fruit Extract (Oligonol) on Peripheral Circulation, a Pilot July 2014
-All 6 subjects completed the study. After 30 minutes following Oligonol ingestion, thermographic measurements showed a significant temperature increase in the right palm in the Oligonol group compared to the placebo group. Temperature changes between groups were significantly different at 30 minutes and 60 minutes. The temperature remained significantly above baseline levels for up to 120 minutes in the Oligonol group
– http://naturalmedicinejournal.com/journal/2014-07/effect-lychee-fruit-extract-oligonol-peripheral-circulation-pilot-study